date:Dec 18, 2012
The long-running international dispute over ractopamine, a drug used to boost growth and leanness in pork and beef production, has become even more contentious in recent weeks.
Russia, which is an increasingly important export market for U.S. meat products, announced it will no longer accept meat from animals raised on the drug, and it will require countries to certify that their meat is ractopamine-free.
The move infuriated United States trade and agriculture officials, who point out that th